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*** 'ARKADAŞLAR LÜTFEN KODBANK"TAN YARDIM İSTEMEYİN' ***
************* 'FORUMLARDAN YARDIM İSTEYİN' *************
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procedure TForm1.Button2Click(Sender: TObject);
var g,d:integer;
begin
{Find the main window of the Application}
g:=FindWindow('Notepad',nil) ;
{Find the window of the application's text box}
d:=ChildWindowFromPoint(g,point(50,50)) ;
{Now send it a character!!}
SendMessage(d,WM_CHAR,Ord('A'),0) ;
end;